52209163 has 2 divisors, whose sum is σ = 52209164. Its totient is φ = 52209162.

The previous prime is 52209139. The next prime is 52209167. The reversal of 52209163 is 36190225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52209163 is a prime.

It is not a weakly prime, because it can be changed into another prime (52209167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26104581 + 26104582.

It is an arithmetic number, because the mean of its divisors is an integer number (26104582).

Almost surely, 2^52209163 is an apocalyptic number.

52209163 is a deficient number, since it is larger than the sum of its proper divisors (1).

52209163 is an equidigital number, since it uses as much as digits as its factorization.

52209163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52209163 is about 7225.5908408932. The cubic root of 52209163 is about 373.7508969677.

Adding to 52209163 its reverse (36190225), we get a palindrome (88399388).

The spelling of 52209163 in words is "fifty-two million, two hundred nine thousand, one hundred sixty-three".